// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// This is a header file to define wins specific classes and info

// 

//

#ifndef __D_EXPIO_EMUL_H__

#define __D_EXPIO_EMUL_H__

// pdd include file

#include "d_expio_pdd.h"

// include files

#include <d32comm.h> // comm header file

// DFC related constants

//

_LIT(KExEmulUartDfcName,"ExEmulUartDfc"); 		// Name of the DFC thread

const TInt KExEmulUartDfcPriority=26; 		// DFC thread priority		

// UART FIFO sizes

const TInt KTxFifoSize=64; // 64bytes fifo

const TInt KRxFifoSize=64; // 64bytes fifo

// Timer constants

const TInt KRxPollTimeout=1; // 1ms

const TInt KTimerStarted=1;

const TInt KTimerExpired=0;

const TInt KTimerCancelled=-1;

/**

 * Physical device class specific for Emulator UART Physical Device Driver (PDD)

 */

class DExEmulPhysicalDevice: public DExDriverPhysicalDevice

{

public:

    DExEmulPhysicalDevice();   

    ~DExEmulPhysicalDevice();  // Destructor

    TInt Create(DBase*& aChannel, TInt aUnit, const TDesC8* aInfo, 

    										const TVersion& aVer);

};

/**

 Hardware peripheral class

 Target specific class, H4 uart controller. This class 

 is accessed from physical channel class. It's object 

 is created in physical channel DoCreate()and deleted 

 in it's destructor

 */ 

class DExUartPhysicalChannelEmul:public DExDriverPhysicalChannel

	{

public:

	// Public functions access to all

	DExUartPhysicalChannelEmul();					// Constructor	

	~DExUartPhysicalChannelEmul();					// Destructor	

	TInt DoCreate(TInt aUnit, const TDesC8* aInfo, 

								const TVersion& aVer); // 2nd Stage constructor

	void Caps(TDes8& aCaps);						// Get channel Capabilities

	TInt Configure(const TCommConfigV01& aConfig);  // Configure the uart	

	TInt TransmitData(const TDesC8& aData);			// Transmit data to uart	

	TInt ReceiveData(TDes8& aData,TInt aLen);					// Receive data from uart	

	TDynamicDfcQue* DfcQ();							// DFC queue creation

private:

	static void RxPollTimerCallback(TAny* aPtr);	

private:	

	TBool iConfigured;				// Channel configuration status;

	TBps iBaudRate;		

	NTimer iRxPollTimer;			// Timer to poll for Rx data

	TInt iTimerStatus;				// Rx data timer status

	// Windows handle for com port

	HANDLE hCommPort;

	DWORD iBytesRead;

	DWORD iBytesWritten;

	};

#endif // __D_EXPIO_EMUL_H__

//

// End of d_expio_emul.h